.fc-wa-float { position:fixed;bottom:28px;right:28px;width:60px;height:60px;background:#25d366;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;z-index:9999;box-shadow:0 4px 16px rgba(37,211,102,0.4);transition:all .3s ease }
.fc-wa-float:hover { transform:scale(1.1);box-shadow:0 6px 24px rgba(37,211,102,0.5) }
.fc-wa-float::after { content:'';position:absolute;width:100%;height:100%;border-radius:50%;border:2px solid #25d366;animation:fcWaPulse 2s ease-out infinite }
@keyframes fcWaPulse { 0%{transform:scale(1);opacity:.6} 100%{transform:scale(1.5);opacity:0} }
@media(max-width:600px){ .fc-wa-float{bottom:20px;right:20px;width:54px;height:54px} .fc-wa-float svg{width:28px;height:28px} }